document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=462755>Question 462755</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Describe a situation you could model with the expression x + 25<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317178 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=317178\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An algebraic expression is a number, variable or combination of the two connected by some mathematical operation like addition, subtraction, multiplication, division, exponents, and/or roots. \r<BR>\n" );
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document.write( "You evaluate an expression by replacing the variable with the given number and performing the indicated operation.<BR>\n" );
document.write( "When you are asked to find the value of an expression, that means you are looking for the result that you get when you evaluate the expression.\r<BR>\n" );
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document.write( "So keep in mind that vary means to change - a variable allows an expression to take on different values, depending on the situation. \r<BR>\n" );
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document.write( "your situation you could model with the expression <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+25 ALIGN=MIDDLE  ALT=\"x+%2B+25\"   DISABLED_style= \"max-width:90%; height:auto;\" > could be:\r<BR>\n" );
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document.write( "The <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sum ALIGN=MIDDLE  ALT=\"sum\"   DISABLED_style= \"max-width:90%; height:auto;\" > of a number and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25 ALIGN=MIDDLE  ALT=\"25\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where\r<BR>\n" );
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document.write( "*\"<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sum ALIGN=MIDDLE  ALT=\"sum\"   DISABLED_style= \"max-width:90%; height:auto;\" >\" = +<BR>\n" );
document.write( "*\"a <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=number ALIGN=MIDDLE  ALT=\"number\"   DISABLED_style= \"max-width:90%; height:auto;\" >\" = variable <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "or\r<BR>\n" );
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document.write( "Charles is 25 years older than Buddy. If x = Buddy's age, write an expression for Charles' age.\r<BR>\n" );
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document.write( "Since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > represents Buddy's age, and Charles is 25 years older than Buddy, then Charles' age can be represented as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+25 ALIGN=MIDDLE  ALT=\"x+%2B+25\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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